baber/WOPTO huggingface dataset:
Patent KR-20070119898-A (KR)
Title: Indoor unit for air-conditioner
Inventor: KIM KANG YOUNG
IPC: F24F13/20
Filed: 2006-06-16
Abstract: An indoor unit of an air conditioner is provided to prevent separation and damage of a wire which transmits or receives signals and supplies power to a display part and a gas sensor by installing a wire guide and a guide cover. A main body is formed to secure a plurality of parts while forming an inner space. A front glass forms an outward appearance of a front of the main body. A door frame(160) is installed at a rear of the front glass for supporting the front glass. A display part is mounted at the door frame for operation of a user. A wire(W) supplies power to the display part, and receives and transmits signals. A wire guide(183) is formed at a rear of the door frame, depressed to the front, to guide the wire. A guide cover(184) covers a rear of the wire guide.
Patent KR-20070120668-A (KR)
Title: Liquid crystal display
Inventor: LEE JU AH
IPC: G02F1/1333
Filed: 2006-06-20
Abstract: An LCD is provided to prevent the damage of lamp wires, by forming a wire drawing portion of which one lib is less protrudent than the other rib so as to prevent the protrusive thickness of the lamp wires from being increased when the lamp wires are drawn from a wire drawing part and bent along a lateral surface of a mold frame. An LCD comprises a top chassis, a bottom chassis, an LCD panel for displaying an image, a panel driving part for driving the LCD panel, a backlight assembly for supplying a light to the LCD panel, and a mold frame for housing the LCD panel, the panel driving part, and the backlight assembly. The backlight assembly includes a lamp connected to a lamp wire. The mold frame includes a wire drawing part(550) for drawing the lamp wire. The wire drawing part includes a first rib(551) and a second rib(553), wherein the second rib is less protrudent than the first rib.
Patent KR-20070120809-A (KR)
Title: Display appartus
Inventor: CHOI MIN SUNG
IPC: G09G3/20
Filed: 2006-06-20
Abstract: A display device is provided to decrease brightness non-uniformity between left and right sides of a display panel by decreasing the difference between left and right charging voltages. A display device includes a display panel(110) and a gate driver(130). The display panel includes plural gate lines(GL), plural data lines(DL) and plural TFTs. The data lines are arranged to cross the gate lines. The TFTs(Thin Film Transistors) are connected to the gate and data lines. The display panel displays an image according to a data signal from the data lines in response to a scan signal, which is received from the gate lines. The gate driver is arranged to be close to the display panel at one side of the gate lines in a length direction. The gate driver supplies the scan signal to the gate lines of the display panel in response to an external clock signal. Voltage levels of the scan signals, which are supplied to the respective gate lines, are gradually increased.
Patent KR-20060135530-A (KR)
Title: Mechanical part and method of manufacturing such a part
Inventor: COUPE DOMINIQUE
IPC: F16C7/02
Filed: 2006-06-22
Abstract: A mechanical part and a method for manufacturing the same are provided to provide a light weight as well as durability for the mechanical part. In a mechanical part(10), at least two ends(10a) are included and an end of the mechanical part is hinge coupled to the other mechanical part. At least portion of the mechanical part is made of a composite material. The composite material includes a central fiber preformed material and at least one peripheral fiber preformed material. At least two empty spaces(14) are remained at an end of the mechanical part between two preformed materials. And, the empty spaces are hinge coupled to the other mechanical parts.
Patent KR-20060134856-A (KR)
Title: Multi-band hybrid soa-raman amplifier for cwdm
Inventor: LANNONE PATRICK P
IPC: H04B10/29
Filed: 2006-06-22
Abstract: A multi-band hybrid SOA Raman amplifier for CWDM(Coarse Wavelength Division Multiplexing) is provided to simultaneously amplify 8 CWDM channels with frequencies between 1470 and 1610 nm by including 8 channel spectra in a CWDM optical signal. A data transmission system includes an optical fiber cable, at least one CWDM, Raman pumps(320,322,324), and at least one SOA(342,344). The CWDM transmits an optical signal through the optical fiber within plural signal channels in a predetermined wavelength range. The Raman pumps are coupled with the optical fiber to amplify the optical signal. The Raman pump has a pumping wavelength, which is not in the wavelength range. The SOA is coupled with the optical fiber to amplify the optical signal. The SOA(Semiconductor Optical Amplifier) has a gain corresponding to at least one of the signal channels.
Patent KR-20070003672-A (KR)
Title: Device and method for rapidly determining the effectiveness of sterilization or disinfection processes
Inventor: SONG KEVIN KYUNG HEE
IPC: A61L2/00
Filed: 2006-06-30
Abstract: A device and a method for rapidly determining the effectiveness of sterilizing or disinfection process are provided to decide the effectiveness of sterilizing or disinfecting process promptly. The biological index includes a well-known number of captured organism; a vial(20) containing the well-known number of captured organism; and an easily breaking ample(60) containing desalted water and distilled water. The biological index is used to decide effectiveness of sterilizing or disinfecting process of breaking the ample(60) and bringing water into contact with spores in the vial(20). The via(20) includes a gas permeable window(30), and the gas permeable window(30) lets a sterilizing or disinfecting agent go into the vial(20) to bring the well-known number of captured organism into contact with the sterilizing or disinfecting agent.
Patent KR-20080002151-A (KR)
Title: Multi-function printer
Inventor: JUNG DONG KEE
IPC: H04N1/028
Filed: 2006-06-30
Abstract: A multi-function printer is provided to continuously scan plural sheets of documents without an ADF(Automatic Document Feeder) by rotatably configuring a CCD(Charge Coupled Device) module and continuously feeding the documents by using plural rollers. A print unit(200) forms a predetermined image on sheets which are continuously transferred through a sheet feed path. A scanning unit(120) is operated in a first scanning mode for scanning documents placed on a flat plate(110) and in a second scanning mode for continuously scanning plural sheets of documents transferred through the sheet feed path. The scanning unit comprises a CCD(Charge Coupled Device) module(121) and a rotating unit(123). The CCD module can be rotated so as to face the sheet feed path as well as reciprocating along the flat plate. The rotating unit rotates the CCD module in the second scanning mode.
Patent KR-20080004989-A (KR)
Title: Method for fabricating thin film transistor array substrate
Inventor: YANG SUNG HOON
IPC: G02F1/136
Filed: 2006-07-07
Abstract: A method for fabricating a TFT(Thin Film Transistor) array panel is provided to reduce a production cost by removing the necessity of an optical mask by using the same optical mask as that used for forming gate wirings and storage electrode lines to partially etch a gate insulating layer. A gate conductive layer is formed on an insulation substrate(10). The gate conductive layer is patterned to form a gate wiring(24) including a gate line and a gate electrode, and a storage electrode line(26). A gate insulating layer(32) is formed on the gate wiring and the storage electrode line(32). The gate insulating layer(32) is patterned to partially etch the portions of the gate insulating layer(32) which overlap with the gate wiring(24) and the storage electrode line(26). Through the partial etching of the gate insulating layer(32), the gate insulating layer remains and the thickness of the gate insulating layer(32) is reduced.
Patent KR-20080016155-A (KR)
Title: A six-speed power train of an automatic transmission for a vehicle
Inventor: KONG JIN HYUNG
IPC: F16H3/44
Filed: 2006-08-17
Abstract: A six-speed power train of an automatic transmission for a vehicle is provided to facilitate formation of an oil path by arranging a brake and a clutch dispersively. A first planetary gear set(PG1) is used as a single pinion planetary gear set having input/output functions. A second planetary gear set(PG2) includes four operational elements. The four operational elements of the second planetary gear set operate as one constant input element, two selective fixing elements, and one variable connection element to be connected with other planetary gear sets respectively. A third planetary gear set(PG3) includes three operational elements. The three operational elements operate as one constant fixing element, one variable connection element to be connected to four paths of the first and second planetary gear sets, and one direct connection element directly connected to the first operational element. A clutch unit is composed of four clutches(C1,C2,C3,C4) which are arranged at a variable connection part of the operational elements of the first, second, and third planetary gear sets. A brake unit is composed of two brakes(B1,B2) for variably connecting the fixing element with a transmission housing.
Patent KR-20080016302-A (KR)
Title: Communication system having voip call response function in suspend mode and voip call responsing method using sameof
Inventor: KIM JEONG WHAN
IPC: H04L12/12
Filed: 2006-08-18
Abstract: A communication system having a VoIP(Voice over Internet Protocol) call response function in a power saving mode and a VoIP call responding method using the same are provided to solve a problem causing user's inconvenience due to that a user should directly presses a power button again to release a power saving mode to perform a VoIP function. A control device(110) controls an external AP(Access Point)(200) and a response of a VoIP call in case of a normal operation using main power, and operates a power saving mode not in case of the normal operation. A wireless module(120) performs a VoIP call response under the control of the controller, transmits a pre-set packet to the AP(200) in the power saving mode to maintain connection, and wakes up the control device(110) if a VoIP call is received from the AP(200). In the power saving mode, the controller(110) maintains the connection to the AP(200) by controlling transmission of an ARP(Address Resource Protocol) packet during a pre-set period.
Patent KR-20080018507-A (KR)
Title: Apparatus for battery charger of tpms
Inventor: LEE JANG YONG
IPC: H02J7/02
Filed: 2006-08-24
Abstract: An apparatus for a battery charger of a TPMS(Tire Pressure Monitoring System) is provided to charge a battery in an air pressure sensor by using induced electromotive force generated by a permanent magnetic body and a coil. An apparatus for a battery charger of a TPMS(Tire Pressure Monitoring System) includes a coil(30), a permanent magnetic body(32), a rectifying circuit unit(33), and a battery(25). The coil is fixed on a tire rim to generate induced electromagnetic force when passing an N-S magnetic field. The permanent magnetic body is movably provided in an inner space of the coil to form the N-S magnetic field. The rectifying circuit unit detects the induced electromagnetic force generated in the coil to rectify the detected induced electromagnetic force into direct current of a predetermined size. The battery is a driving power source of an air pressure sensor(20) in the TPMS and charged by the direct current output from the rectifying circuit unit.
Patent KR-20080019801-A (KR)
Title: Electrode active material for rechargeable battery
Inventor: LEE YOO SUNG
IPC: H01M4/36
Filed: 2006-08-29
Abstract: An electrode active material for a secondary battery is provided to improve structural stability of an electrode during repeated lithium alloying/dealloying, thereby imparting stable cycle characteristics to a secondary battery. An electrode active material comprises a composite of a Ti-Si alloy with carbon, wherein the alloy contains a region in which Si phase and TiSi2 phase are uniformly distributed. The alloy is obtained by a quenching process at a rate of 10^3K/sec ~ 10^9K/sec. The alloy contains Ti in an amount of 16-33.3 mol%. The region in which Si phase and TiSi2 phase are uniformly distributed has a layered structure.
Patent KR-20070041325-A (KR)
Inventor: KIM HYOUNG SHICK
IPC: G06F21/60
Filed: 2006-09-08
Abstract: 본 발명은 DRM 라이센스에 관한 것으로서, 본 발명의 실시에 따른 DRM 라이센스 제공 시스템은 컨텐츠에 대한 라이센스를 요청하는 싱크 시스템과, 상기 요청에 따라 상기 라이센스와 연관된 바인딩 정보를 포함하는 제1 권리 토큰을 생성하여 제공하는 소스 시스템 및 상기 제1 권리 토큰을 기초로 상기 싱크 시스템에서 이용 가능한 제2 권리 토큰을 생성하여 상기 싱크 시스템으로 전송하는 권리 중재자를 포함하며, 상기 싱크 시스템은 상기 제2 권리 토큰을 기초로 상기 컨텐츠에 대한 라이센스를 제공한다. 
       
     디지털 저작권 관리(Digital Rights Management)
Patent KR-20060103417-A (KR)
Inventor: JEON WON YOUNG
IPC: B65F1/00
Filed: 2006-09-09
Abstract: 본 발명은 종이포장지나 합성수지 비닐계 포장지등 폐기되는 각종 종이나 비닐을 압축시켜 부피를 줄일 수 있도록 된 새로운 구조의 쓰레기 압축기에 관한 것으로서, 
     지지판(120)이 구비된 압축기몸체(100)와, 상기 지지판(120) 직상부의 압축기몸체(100)에 승강가능하게 결합되며 상단에는 손잡이부(220)가 마련된 승강바아(200)와, 상기 승강바아(200)의 하단부에 결합되어 쓰레기를 자중에 의해 가압하는 중량체로 이루어진 가압판(310)으로 구성되거나, 
     지지판(120)이 구비된 압축기몸체(100)와, 상기 지지판(120) 직상부의 압축기몸체(100)에 승강가능하게 결합되며 상단에는 손잡이부(220)가 마련된 승강바아(200)와, 상기 승강바아(200)의 하단부에 결합되어 쓰레기를 가압하는 가압판(320)과, 상기 승강바아(200)의 둘레부에 배치되어 가압판(320)을 지지판(120) 방향으로 탄성적으로 지지하는 가압스프링(400)으로 구성된 쓰레기 압축기를 제공한다. 
       
     지지판, 가압판, 중량, 스프링
Patent KR-20060105715-A (KR)
Inventor: PARK SANG BONG
IPC: H05K7/14
Filed: 2006-09-15
Abstract: 본 발명은 이종 재료를 이용한 전자제품용 체결수단에 관한 것으로서, 더욱 상세히는 다양한 전자제품용 체결수단에 적용 가능하고, 품질 향상 및 제조 용이성, 설비투자비 최소화, 재료비 절감, 대·소형 체결수단에 호환성을 가지며 강도 및 공정의 난이도 등과 같은 제약조건을 피할 수 있는 등 다수의 효과를 갖는 이종 재료를 이용한 전자제품용 체결수단을 제공코자 하는 것이다. 
     즉, 본 발명은 각종 전자제품에 사용되며 합성수지재 또는 금속재 보스부(또는 메인섀시)에 인서트 사출 성형방식, 프레스 고정방식 등에 의해 내입 고정되고, 볼트를 체결할 수 있도록 구성된 체결수단(1) 또는 양단에 볼트를 체결할 수 있도록 한 체결수단(1) 등에 있어서, 상기 체결수단(1)을 구성하는 관통형의 튜브(2)와, 상기 튜브(2)의 일단부에 선택적으로 고정되는 볼트 결합용 관통공(3a) 또는 암나사(3b)를 갖는 연결수단(3)과, 상기 튜브(2)의 타단부에 선택적으로 고정되는 고정수단(5)으로 구성되는 것을 특징으로 한다. 
     이와 같은 본 발명의 체결수단(1)은 이종 재료를 2~3가지 사용하여 요소 기능이 극대화된 체결수단(1)을 제공할 수 있으며, 응용범위가 프레스, 사출 등 제약조건이 없고, 튜브 드로잉 응용이므로 설비투자비가 거의 소요되지 않는 장점이 있다. 
     그리고 대·소형 체결수단에 모두 적용이 가능하고, 요구되는 강도, 공정의 난이도 등에 의한 제약이 없으며, 소재 선택이 자유로워 재료비 절감효과가 매우  뛰어나다. 그리고 튜브(2) 길이에 따라 전장 조정이 매우 용이하고, 연결수단(3)과 고정수단(5)은 표준화 부품으로 규격화 시킬 수 있으며, 체결수단(1)의 용도에 맞는 재질 및 형상을 선택하여 그 기능을 극대화시킨 체결수단(1)을 제조할 수 있으며, 연결수단(3)에 볼트를 나사 체결 시 나사부 끝단의 버(burr) 탈락으로 인한 이물질 혼입 문제를 근원적으로 해결하고, 다양한 전자제품에 호환성 있게 적용이 가능한 등 다수의 이점을 제공하는 것이다. 
       
     이종 재료를 이용한 전자제품용 체결수단, 튜브, 연결수단, 고정수단, 보스부, 메인섀시, 암나사
Patent KR-20070034939-A (KR)
Title: 광학식 이물 검출 장치 및 이것을 탑재한 처리액도포 장치
IPC: G01N21/88
Filed: 2006-09-21
Abstract: 본 발명은 광학식 이물검출장치 및 이것을 탑재한 처리액 도포장치에 관한 것으로서 스테이지 (2)상에 수평 상태로 재치된 피처리 기판 (1)과 상기 기판 (1)의 폭방향으로 늘어나는 슬릿 형상 토출 통로 (11b)를 가지는 처리액공급 노즐 (11)을 상대적으로 이동시켜 처리액공급 노즐 (11)으로부터 띠형상으로 토출되는 처리액을 기판 (1)의 표면에 도포하도록 구성된다. 상기 기판 (1)에 대해서 상대이동하는 처리액공급 노즐 (11)의 이동 방향의 전방에 투광부 (5)와 수광부 (6)으로이루어지는 광투과형 센서 유니트가 탑재되고 있다. 상기 센서유니트는 수광부 (6)에 있어서의 광 빔의 수광 출력이나 소정값 이상인지 아닌지를 검출하는 제1 검출 수단과 상기 수광출력의 단위시간에 있어서의 변화량이 소정값 이상인지 아닌지를 검출하는 제2 검출 수단으로 구비되고 상기 제1 검출 수단과 제2 검출 수단에 의한 검출 출력의 논리합에 근거해 이물의 존재를 검지하도록 구성되는 평면형상 기판의 이상 상태를 감도 좋게 검출할 수 있는 광학식의 이물 검출 장치 및 이것을 탑재한 처리액도포 장치를 제공하는 기술을 제공한다.
Patent KR-20070034944-A (KR)
Title: 타이밍 디스크용 자가 중심설정 허브
IPC: G11B17/038
Filed: 2006-09-23
Abstract: 자가 중심 설정 허브, 특히 엔코더, 스탭핑 모터, 스피닝 롤러 드라이브 등의 타이밍 디스크를 위한 자가 중심 설정 허브는 타이밍 디스크 또는 코드 캐리어를 고정하기 위한 허브판과, 입력 또는 출력 유닛의 샤프트 단부 상에서 활주하기 위한 슬롯 형성 허브 생크를 포함한다.   
       
     타이밍디스크, 허브, 코드캐리어, 샤프트, 허브생크
Patent KR-20080013657-A (KR)
Title: Anticrime hanger
Inventor: NAKAMURA NOBUO
IPC: G08B13/02
Filed: 2006-09-25
Abstract: An anticrime hanger is provided to perform an anticrime of exhibitions by fixing a base end of a hook to a bottom surface of a lock case and freely moving a lock rod to the lock case facing an end of the hook. An anticrime hanger includes a lock case(11) and a hook(29). A base end of the hook is fixed to a bottom of the lock case and a lock rod(36) is installed on a place facing the end(35) of the hook so as to freely move. A screw axial unit(37) is formed on a top of the lock rod. A hexagonal hole(38) is concavely formed on a top of the screw axial unit to move the lock rod. The lock rod is moved by rotating with inserting the end of a hexagonal sealing into the hexagonal hole. The lock rod can be moved by using a driver having a driver groove in a shape of (-) or (+) engraved thereon in place of the hexagonal hole.
Patent KR-20080027584-A (KR)
Title: Vertical light emitting diode and method of fabricating the same
Inventor: KIM YUN GOO
IPC: H01L33/10
Filed: 2006-09-25
Abstract: A vertical light emitting diode and a manufacturing method thereof are provided to decrease light loss due to internal total reflection incident on a metallic reflective layer. Compound semiconductors are formed on a conductive substrate(71), and include a first conductive type compound semiconductor layer(55) and a second conductive type compound semiconductor layer(59). A metallic reflective layer(63) is interposed between the compound semiconductor layers and the conductive substrate. Transparent patterns(61) are interposed between the compound semiconductor layer and the metallic reflective layer, and are spaced apart from each other. An adhesive layer(67) is interposed between the metallic reflective layer and the conductive substrate. A diffusion barrier layer(65) is interposed between the adhesive layer and the metallic reflective layer.
Patent KR-20080029655-A (KR)
Title: Electrical conductive paste and substrate using the same
Inventor: CHUN SANG KI
IPC: H01B1/02
Filed: 2006-09-29
Abstract: A conductive paste, and a substrate using the paste are provided to lower the sintering temperature and to minimize the use of an organic solvent, thereby minimizing the swelling of a silicone resin substrate and the decrease of density due to an organic solvent. A conductive paste comprises a silver oxide fine particle; and an organic silver complex which comprises an organic compound containing silver and an organic ligand containing an amine group and an alcohol group. Preferably the organic compound containing silver is at least one selected from the group consisting of silver salts of primary, secondary or tertiary fatty acid of C2-C20; and the organic ligand containing an amine group and an alcohol group is at least one selected from the group consisting of primary to quaternary amines substituted with an alcohol group.
Patent KR-20080031084-A (KR)
Title: Semiconductor probe having resistive tip of wedge shape and method of fabricating the same
Inventor: KO HYOUNG SOO
IPC: H01L21/60
Filed: 2006-10-02
Abstract: A semiconductor probe having a wedge-shaped resistive tip, and a method of fabricating the same are provided to increase the resolution of a resistance area by forming highly doped electrode areas on both sides of the resistance area of the resistive tip. A semiconductor probe comprises a resistive tip(150), and a cantilever(170). The resistive tip, doped by the first impurity, comprises a resistance area(156) which is doped by the second impurity, having an opposite polarity to that of the first impurity, in low concentration on its top portion, and has first and second semiconductor electrode areas(152,154) doped by the second impurity in high concentration on its inclined portion. The cantilever has the resistive tip on its edge portion. The end portion of the resistive tip is wedge-shaped and the length of the end portion of the tip is in a range of 20nm to 2mum.
Patent KR-20080032708-A (KR)
Title: Cooking device & cleaning method for the same
Inventor: SHIM KYU IN
IPC: F24C7/04
Filed: 2006-10-10
Abstract: A cooking device and a cleaning method thereof are provided to reduce the manufacturing cost and widening an inner space by removing a thick adiabatic member. A cooking device comprises a body(100) and a cavity(110). The cavity is provided in the body to form a space for heating and cooking a foodstuff to be cooked, and has an enameled vessel at the inner side thereof. The exposed surface of the enameled vessel is subject to plasma surface treatment such that the enameled vessel has super water repellency. The plasma surface treatment is performed under the gas atmosphere containing fluorine. A spray device(130) sprays water or steam onto the inner wall surface of the cavity such that contaminant sticking to the inner wall surface of the cavity is removed. The spray device includes a water tank(132) for storing the water and a nozzle(134) for spraying the water or steam onto the inner wall surface of the cavity.
Patent KR-20080034691-A (KR)
Title: Capacitor, method of manufacturing thereof and printed circuit board having the capacitor
Inventor: KIM WOON CHUN
IPC: H01G4/30
Filed: 2006-10-17
Abstract: A capacitor, a manufacturing method thereof, and a printed circuit board with the capacitor are provided to improve adhesion force between the capacitor and an insulation layer. A printed circuit board includes a first electrode layer, a second electrode layer, a dielectric layer(20), and an insulation layer. One surface of the second electrode layer is opposed to the first electrode layer. A protrusion(15) is formed on the other surface of the second electrode layer. The dielectric layer is interposed between the first electrode layer and the second electrode layer. The protrusion is made of the same material as the second electrode. The protrusion is formed in plural. The plurality of protrusions is arranged at a regular interval. The protrusion is formed through electrolyte plating. The insulation layer is stacked on the other surface of the second electrode layer.
Patent KR-20080036489-A (KR)
Title: Liquid crystal display device
Inventor: YANG SEUNG HOON
IPC: G02F1/1333
Filed: 2006-10-23
Abstract: An LCD(Liquid Crystal Display) device is provided to form a heat reflection layer between the upper side of a main support and the lower side of an upper cover contacting the upper side of the main support, thereby solving a problem such as the deterioration of image quality caused by a light leakage which may be generated by the conduction of heat from a lamp to a front LCD panel and preventing a user from feeling that the LCD panel is hot while touching a screen. An LCD device comprises a lower cover(150), a backlight device(140), a main support(130), a heat path changing unit(132), and an LCD panel(110). The backlight device has a lamp(143) at least in a side on the lower cover and supplies light. The main support has the backlight device in the lower side and prevents a flow of the backlight device. The heat path changing unit is positioned at the upper part of the lamp to change the transfer path of heat delivered from the lamp. The LCD panel is loaded on the main support.
Patent KR-20080038529-A (KR)
Title: Device for adjusting center positioning feeling in steering handle
Inventor: LEE YONG SOO
IPC: B62D3/00
Filed: 2006-10-30
Abstract: A device for adjusting center positioning feeling in a steering handle is provided to control rigidity of a torsion bar accurately and to reduce time and cost of tuning test of the torsion bar by increasing or reducing compression force of adjusting springs, using adjusting bolts. A device for adjusting center positioning feeling in a steering handle comprises a projection(12a), a receiving hole(14ab), a plurality of adjusting springs(17), and adjusting bolts(16). The projection is inserted in a worm gear shaft(14a) to form a concentric circle, and is formed on an outer peripheral surface of a torsion bar(12). The projection worm is movably received at the gear shaft in the receiving hole. The adjusting springs support the projection elastically at both sides thereof. The adjusting bolts control the elastic force of the adjusting springs. Two assembly holes are communicated with the receiving hole. Screws(14aa) are formed on the inner peripheral surfaces of the assembly holes.